Chapter 3 PERFORMING MEASUREMENTS
3-20
Changing the Attenuation
If excessive reflection occurs at the optical connector’s connection point or optical fiber‘s
break point, the trace may be saturated. To prevent saturation of the trace, attenuation is
used.
The attenuation setting can be changed as explained below.
♦ Example: “0.00dB” → “10.00dB”
The attenuation setting cannot be changed if “AUTO RANGE” or “AUTO ATTN” has
been selected for AUTO SET.
For details on saturation of trace, refer to “Checking the Return Loss” on page 3-87.
1. Locate the cursor to “ATTENUATION” by using the rotary knob or the arrow
key.
Caution
Refer
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